- All sections
- C - Chemistrymetallurgy
- C23C - Coating metallic materialcoating material with metallic materialsurface treatment of metallic material by diffusion into the surface, by chemical conversion or substitutioncoating by vacuum evaporation, by sputtering, by ion implantation or by chemical vapour deposition, in general
- C23C 8/44 - Carburising
Patent holdings for IPC class C23C 8/44
Total number of patents in this class: 21
10-year publication summary
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5
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0
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1
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1
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2
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1
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1
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1
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2
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1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 7135 |
3 |
| Aircraft Gear Corporation | 33 |
2 |
| PLANSEE SE | 235 |
2 |
| Centre National de La Recherche Scientifique | 11171 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11137 |
1 |
| IAP Research, Inc. | 1 |
1 |
| RÜBIG GESELLSCHAFT M.B.H. & CO. KG a legal entity | 16 |
1 |
| Sarclad Limited | 16 |
1 |
| Sikorsky Aircraft Corporation | 1059 |
1 |
| Swagelok Company | 311 |
1 |
| Tocalo Co., Ltd. | 109 |
1 |
| Tokamak Energy Ltd | 203 |
1 |
| Universite Claude Bernard Lyon 1 | 1096 |
1 |
| Takara Standard Co.,Ltd. | 5 |
1 |
| Jiahao Wang | 7 |
1 |
| Jiahui Wang | 4 |
1 |
| Jingran Wang | 2 |
1 |
| Other owners | 0 |